Oh, uh, maybe four years or five years.

Uh...

And that time when this is happening is not 100 years or 500 years.

We really are seeing the dawn of interventional surgery.

It's three years ago last week, actually.

Was Ms. Kato your teacher last year?

How far back does that go? How far back does modern language go?

You've forgotten all about the elephant haven't you?

So amazing example of an adaptation to a very resource constrained environment and in that sense, very relevant to the kind of challenges we're going to be facing over the next few years, next few decades.

Miss Yamada is in charge of the 2nd year class this year.

What kind of guy is he?

The post crisis projection is 2020.

The teacher let the boy go home.

They're very technically sophisticated.

Homework is another thing.

The principal sings it during yearend party...

Now, we have two changes in staffing this year.

This is not a forecast. This is a warning, and we have to think seriously about it.

And I was devastated.

About 30 years. It's a nice round number.

You sound like my 9th grade teacher.

At that point, I thought I knew something about global warming.

Well, if x is his current age, in 4 years, he's going to be x plus 4 years old.

He has been teaching for 20 years.

Highways are no longer being built, and that's a fact.

So Ph.D. this, and degree there, and the yadda yadda.

How did this happen?

Space is many light years away.

Miles away, a young boy ventures out hunting.

A century, McGonagall says.

The teacher is in charge of the third year class.

That teacher is in charge of the third year class.

Mr Brown took charge of this class last year.

Mr White punished the boy for cheating on the examination.

He is the boy of whom I spoke the other day.

The teacher told the boy not to make noise.

The teacher permitted the boy to go home.

Mr. Brown took charge of this class last year.

That transition is happening. We can all sense it.

How is this happening?

This temple was built by my family a thousand years ago.

For 900 years, my ancestors have protected our people.

Seventyfive years ago in Patagonia on the tip of South America.

Professor Flitwick, you've known me for five years

Yes, I know that song... Especially when the principal sings it every year during the yearend party.